Auger electron spectra of CF3CN, CF3Cl, CF2Cl2 and CFCl3 Original Research Article

The F KVV and Cl LVV Auger electron spectra of the chlorofluorocarbon molecules CF3Cl, CF2Cl2 and CFCl3, as well as the F, N and C KVV Auger spectra of the CF3CN molecule, have been observed using electron-impact excitation. The spectra have been interpreted with the help of ab initio calculations for the local density of states. The fragmentations specific to the atomic site where the core hole is created, observed for these molecules, are discussed in connection of characters of the Auger final states analyzed in the present study.